Update README.md

mechanism/README.md

@@ -22,7 +22,7 @@
 #### Leg x 6
 
 | Filename        | Thumbnail                                                                 | Required |
-| ------------ | ------------------------------------------------------------------- | -------- |
+| --------------- | ------------------------------------------------------------------------- | -------- |
 | thigh_top       | <img src="./imgs/thigh_top.jpg" alt="thigh_top" width="300"/>             | 1 (x6)   |
 | thigh_bottom    | <img src="./imgs/thigh_bottom.jpg" alt="thigh_bottom" width="300"/>       | 1 (x6)   |
 | joint_cross     | <img src="./imgs/joint_cross.jpg" alt="joint_cross" width="300"/>         | 1 (x6)   |
@@ -34,6 +34,8 @@
 | foot_bottom     | <img src="./imgs/foot_bottom.jpg" alt="foot_bottom" width="300"/>         | 1 (x6)   |
 | foot_ground     | <img src="./imgs/foot_ground.jpg" alt="foot_ground" width="300"/>         | 1 (x6)   |
 | foot_tip        | <img src="./imgs/foot_tip.jpg" alt="foot_tip" width="300"/>               | 1 (x6)   |
+| servo_horn_j1j2 | <img src="./imgs/servo_horn_j1j2.jpg" alt="servo_horn_j1j2" width="300"/> | 2 (x6)   |
+| servo_horn_j3   | <img src="./imgs/servo_horn_j3.jpg" alt="servo_horn_j3" width="300"/>     | 1 (x6)   |
 
 ### Others